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Finding the Fourth Proportional to 75,277.25, 103,882.60 and 41,743.25

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Solution

The fourth proportional to 75,277.25, 103,882.60 and 41,743.25 is: 57,605.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,277.25 : 103,882.60 = 41,743.25 : x
  2. Step 2: Convert to fraction form
    75,277.25/103,882.60 = 41,743.25/x
  3. Step 3: Cross multiply
    75,277.25x = 103,882.60 × 41,743.25
  4. Step 4: Simplify right side
    75,277.25x = 4,336,396,718.68
  5. Step 5: Solve for x
    x = 4,336,396,718.68/75,277.25
  6. Step 6: Final answer
    x = 57,605.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.